The man will have to wait all day _______ the doctor works faster. 
#74633
A
if
B
unless
C
whether
D
that
推荐题目
---Do you know the danger caused by smoking?---Yes, too many cigarettes can lead to_______ lung cancer.
#69887
A
a person suffers from
B
a person to suffer from
C
a person being suffered from
D
a person suffering from
The square box has a door,      there are some buttons.
#70254
A
beside it
B
beside which
C
beside that
D
beside what
Mike hasn’t showed up yet. Why do you think ________?
#69896
A
he comes late
B
comes he late
C
does he come late
D
will he come late